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PRECISE LASER-BASED OPTICAL 3D MEASUREMENT OF WELDING SEAMS UNDER WATER
Calibration Camera Multi-Media Optical Photogrammetry Tracking Underwater
2015/4/23
This paper deals with the development of a measuring procedure and an experimental set-up (stereo camera system in combination with a projecting line laser and a positioning unit) which are intended t...
JOINT ALIGNMENT OF UNDERWATER AND ABOVE-THE-WATER PHOTOGRAMMETRIC 3D MODELS BY INDEPENDENT MODELS ADJUSTMENT
Underwater Photogrammetry Least Square Adjustment Accuracy Independent Models Alignment
2015/4/23
The surveying and 3D modelling of objects that extend both below and above the water level, such as ships, harbour structures, offshore platforms, are still an open issue. Commonly, a combined and sim...